package com.introduce.extract;


public class NullCustomer extends Customer{

    @Override
    public String getName() {
        return "occupant";
    }
    @Override
    public BillingPlan getPlan() {
        return BillingPlan.basic();
    }

    @Override
    public PaymentHistory getHistory() {
        return PaymentHistory.newNull();
    }

    @Override
    public boolean isNull() {
        return true;
    }
}
